Bochs 2.2 released

Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++, that runs on most popular platforms. It includes emulation of the Intel x86 CPU, common I/O devices, and a custom BIOS. Currently, Bochs can be compiled to emulate a 386, 486, Pentium, Pentium Pro or AMD64 CPU, including optional MMX, SSE, SE2 and 3DNow! instructions. Bochs is capable of running most
Operating Systems inside the emulation including Linux, DOS, Windows 95/98 and Windows NT/2000.

Brief summary of changes since vorsion 2.1.1:

• New floating point emulator based on SoftFloat floating point
  emulation library.
• improved x86-64 emulation
• Cirrus SVGA card emulation added
• status bar with indicators for keyboard, floppy, cdrom and disk (gui
  dependant)
• many improvements in Bochs emulated I/O devices (e.g. PCI subsystem)

https://sourceforge.net/projects/bochs/